给出了微流星及空间碎片高速撞击航天器风险分析的方法 ,并采用风险分析软件 ,以柱状近地轨道航天器为例 ,对不同防护结构方案、航天器的飞行姿态、防护屏的厚度以及航天器的运行时间等因素对航天器不发生穿孔损伤的影响进行了分析 ,给出了分析的结果 The methods of risk analysis of high-speed impact spacecraft with micro-meteors and space debris are presented. By using the risk analysis software and taking the cylindrical near-Earth orbit spacecraft as an example, the spacecraft attitude, shield thickness, Spacecraft operation time and other factors on the impact of spacecraft does not occur perforation damage is analyzed, the results are given